Fuel Level Sensor Unit and Fuel Pump (Main)

Check the resistance between terminals 2 and 5.

TERMINAL CHART

Terminal		Float position mm (in)			Resistance valueΩ
(+)	(-)	Float position mm (in)			Resistance valueΩ
2	5	*1	Full	9.0 (0.35)	Approx. 3
2	5	*2	Empty	175 (6.89)	Approx. 80
1 and 2: When float rod is in contact with stopper.

Fig 1: Checking Resistance Between Terminals 2 And 5

Courtesy of NISSAN MOTOR CO., U.S.A.